Dolphin sp-113bt is a professional dual 10" party speaker with sound activated lights. Made with quality parts, this speaker puts out a professional clear sound that is unmatched by any competitor. Included with this speaker are many features and inputs that are ideal for any party. From the sound activated lights to the Bluetooth function, this speaker is guaranteed to be the life of the party.Bluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceWireless karaoke microphone included in the boxBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceWireless karaoke microphone included in the boxParty mode - turns on colorful lights that move & change color along with the beat of the musicBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceWireless karaoke microphone included in the boxBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceWireless karaoke microphone included in the boxParty mode - turns on colorful lights that move & change color along with the beat of the musicIncludes two 1/4" audio jacks and one xlr input to connect any microphone, guitar or instrumentBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceWireless karaoke microphone included in the boxBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceWireless karaoke microphone included in the boxParty mode - turns on colorful lights that move & change color along with the beat of the musicBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceWireless karaoke microphone included in the boxBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceBluetooth function with built-in USB dock charger allows you to charge your Bluetooth deviceWireless karaoke microphone included in the boxParty mode - turns on colorful lights that move & change color along with the beat of the musicIncludes two 1/4" audio jacks and one xlr input to connect any microphone, guitar or instrumentDual 10" woofers and tweeters put out 2100w of peak power